Helicoverpa zea (Corn earworm moth)Hodges #11068
The larva is variable in color; see http://bugguide.net/node/view/5718
It is reported to be very difficult to separate early instars from H. virescens (Tobacco Budworm Moth)
See paper from University of Florida Entomology: http://entnemdept.ufl.edu/creatures/field/tobacco_budworm.htm